With 40 beautiful voices, the elegant STN 5000 hammer action keyboard piano features 128 polyphony for maximum playability. The piano will not miss a note playing Chopin’s Etude with the power of 128 polyphony. The hammer action keybed is perfect for piano enthusiast, providing the feel of the acoustic piano without consuming the space of a piano. 3 levels of touch sensitivity could be selected, depending on your likings.